controls/widgets.c

   1 /*
   2  * Windows widgets (built-in window classes)
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5  */
   6
   7 #include <assert.h>
   8
   9 #include "win.h"
  10 #include "commctrl.h"
  11 #include "button.h"
  12 #include "static.h"
  13 #include "status.h"
  14 #include "scroll.h"
  15 #include "desktop.h"
  16 #include "mdi.h"
  17 #include "gdi.h"
  18 #include "module.h"
  19 #include "heap.h"
  20
  21 /* Window procedures */
  22
  23 extern LRESULT EditWndProc( HWND32 hwnd, UINT32 msg, WPARAM32 wParam,
  24                             LPARAM lParam );
  25 extern LRESULT ComboWndProc( HWND32 hwnd, UINT32 msg, WPARAM32 wParam,
  26                              LPARAM lParam );
  27 extern LRESULT ComboLBWndProc( HWND32 hwnd, UINT32 msg, WPARAM32 wParam,
  28                                LPARAM lParam );
  29 extern LRESULT ListBoxWndProc( HWND32 hwnd, UINT32 msg, WPARAM32 wParam,
  30                                LPARAM lParam );
  31 extern LRESULT PopupMenuWndProc( HWND32 hwnd, UINT32 msg, WPARAM32 wParam,
  32                                  LPARAM lParam );
  33
  34 /* Win16 class info */
  35
  36 typedef struct
  37 {
  38     UINT16     style;
  39     INT16      wndExtra;
  40     HBRUSH16   background;
  41     LPCSTR     procName;
  42     LPCSTR     className;
  43 } BUILTIN_CLASS_INFO16;
  44
  45 /* Win16 built-in classes */
  46
  47 static const BUILTIN_CLASS_INFO16 WIDGETS_BuiltinClasses16[] =
  48 {
  49     { CS_GLOBALCLASS | CS_PARENTDC,
  50        sizeof(STATICINFO), 0, "StaticWndProc", "Static" },
  51     { CS_GLOBALCLASS, sizeof(MDICLIENTINFO),
  52       STOCK_LTGRAY_BRUSH, "MDIClientWndProc", "MDIClient" }
  53 };
  54
  55 #define NB_BUILTIN_CLASSES16 \
  56          (sizeof(WIDGETS_BuiltinClasses16)/sizeof(WIDGETS_BuiltinClasses16[0]))
  57
  58 /* Win32 built-in classes */
  59
  60 static WNDCLASS32A WIDGETS_BuiltinClasses32[BIC32_NB_CLASSES] =
  61 {
  62     /* BIC32_BUTTON */
  63     { CS_GLOBALCLASS | CS_DBLCLKS | CS_VREDRAW | CS_HREDRAW | CS_PARENTDC,
  64       ButtonWndProc, 0, sizeof(BUTTONINFO), 0, 0, IDC_ARROW, 0, 0, "Button" },
  65     /* BIC32_EDIT */
  66     { CS_GLOBALCLASS | CS_DBLCLKS /*| CS_PARENTDC*/,
  67       EditWndProc, 0, sizeof(void *), 0, 0, IDC_IBEAM, 0, 0, "Edit" },
  68     /* BIC32_LISTBOX */
  69     { CS_GLOBALCLASS | CS_DBLCLKS /*| CS_PARENTDC*/,
  70       ListBoxWndProc, 0, sizeof(void *), 0, 0, IDC_ARROW, 0, 0, "ListBox" },
  71     /* BIC32_COMBO */
  72     { CS_GLOBALCLASS | CS_PARENTDC | CS_DBLCLKS,
  73       ComboWndProc, 0, sizeof(void *), 0, 0, IDC_ARROW, 0, 0, "ComboBox" },
  74     /* BIC32_COMBOLB */
  75     { CS_GLOBALCLASS | CS_DBLCLKS | CS_SAVEBITS,
  76       ComboLBWndProc, 0, sizeof(void *), 0, 0, IDC_ARROW, 0, 0, "ComboLBox" },
  77     /* BIC32_POPUPMENU */
  78     { CS_GLOBALCLASS | CS_SAVEBITS, PopupMenuWndProc,
  79       0, sizeof(HMENU32), 0, 0, IDC_ARROW, 0, 0, POPUPMENU_CLASS_NAME },
  80     /* BIC32_SCROLL */
  81     { CS_GLOBALCLASS | CS_DBLCLKS | CS_VREDRAW | CS_HREDRAW | CS_PARENTDC,
  82       ScrollBarWndProc, 0, sizeof(SCROLLBAR_INFO), 0, 0, IDC_ARROW, 0, 0, "ScrollBar"},
  83     /* BIC32_DESKTOP */
  84     { CS_GLOBALCLASS, DesktopWndProc, 0, sizeof(DESKTOPINFO),
  85       0, 0, IDC_ARROW, 0, 0, DESKTOP_CLASS_NAME },
  86     /* BIC32_DIALOG */
  87     { CS_GLOBALCLASS | CS_SAVEBITS, DefDlgProc32A, 0, DLGWINDOWEXTRA,
  88       0, 0, IDC_ARROW, 0, 0, DIALOG_CLASS_NAME }
  89 };
  90
  91 static ATOM bicAtomTable[BIC32_NB_CLASSES];
  92
  93 /* Win32 common controls */
  94
  95 static WNDCLASS32A WIDGETS_CommonControls32[] =
  96 {
  97     { CS_GLOBALCLASS | CS_VREDRAW | CS_HREDRAW, StatusWindowProc, 0,
  98       sizeof(STATUSWINDOWINFO), 0, 0, 0, 0, 0, STATUSCLASSNAME32A },
  99 };
 100
 101 #define NB_COMMON_CONTROLS32 \
 102          (sizeof(WIDGETS_CommonControls32)/sizeof(WIDGETS_CommonControls32[0]))
 103
 104
 105 /***********************************************************************
 106  *           WIDGETS_Init
 107  *
 108  * Initialize the built-in window classes.
 109  */
 110 BOOL32 WIDGETS_Init(void)
 111 {
 112     int i;
 113     char *name;
 114     const BUILTIN_CLASS_INFO16 *info16 = WIDGETS_BuiltinClasses16;
 115     WNDCLASS16 class16;
 116     WNDCLASS32A *class32 = WIDGETS_BuiltinClasses32;
 117
 118     if (!(name = SEGPTR_ALLOC( 20 * sizeof(char) ))) return FALSE;
 119
 120     /* Create 16-bit classes */
 121
 122     class16.cbClsExtra    = 0;
 123     class16.hInstance     = 0;
 124     class16.hIcon         = 0;
 125     class16.hCursor       = LoadCursor16( 0, IDC_ARROW );
 126     class16.lpszMenuName  = (SEGPTR)0;
 127     class16.lpszClassName = SEGPTR_GET(name);
 128     for (i = 0; i < NB_BUILTIN_CLASSES16; i++, info16++)
 129     {
 130         class16.style         = info16->style;
 131         class16.lpfnWndProc   = (WNDPROC16)MODULE_GetWndProcEntry16( info16->procName );
 132         class16.cbWndExtra    = info16->wndExtra;
 133         class16.hbrBackground = info16->background;
 134         strcpy( name, info16->className );
 135         if (!RegisterClass16( &class16 )) return FALSE;
 136     }
 137
 138     /* Create 32-bit classes */
 139
 140     for (i = 0; i < BIC32_NB_CLASSES; i++, class32++)
 141     {
 142         /* Just to make sure the string is > 0x10000 */
 143         strcpy( name, (char *)class32->lpszClassName );
 144         class32->lpszClassName = name;
 145         class32->hCursor = LoadCursor16( 0, class32->hCursor );
 146         if (!(bicAtomTable[i] = RegisterClass32A( class32 ))) return FALSE;
 147     }
 148
 149     SEGPTR_FREE(name);
 150     return TRUE;
 151 }
 152
 153
 154 /***********************************************************************
 155  *           InitCommonControls   (COMCTL32.15)
 156  */
 157 void InitCommonControls(void)
 158 {
 159     int i;
 160     char name[30];
 161     WNDCLASS32A *class32 = WIDGETS_CommonControls32;
 162
 163     for (i = 0; i < NB_COMMON_CONTROLS32; i++, class32++)
 164     {
 165         /* Just to make sure the string is > 0x10000 */
 166         strcpy( name, (char *)class32->lpszClassName );
 167         class32->lpszClassName = name;
 168         class32->hCursor = LoadCursor16( 0, IDC_ARROW );
 169         RegisterClass32A( class32 );
 170     }
 171 }
 172
 173
 174 /***********************************************************************
 175  *           WIDGETS_IsControl32
 176  *
 177  * Check whether pWnd is a built-in control or not.
 178  */
 179 BOOL32  WIDGETS_IsControl32( WND* pWnd, BUILTIN_CLASS32 cls )
 180 {
 181     assert( cls < BIC32_NB_CLASSES );
 182     return (pWnd->class->atomName == bicAtomTable[cls]);
 183 }